Washington D.C., United States

If you're arriving in Washington by rail, you shouldn't miss the enormous, 30-foot Christmas tree that was given to Union Station by the Embassy of Norway. In November and December, the ZooLights show at the National Zoo opens late and stages spectacular light shows.
The White House and Lincoln Memorial look especially beautiful in the snow. During winter, the Washington Ballet stages performances the Nutcracker.
Where to eat: Equinox Restaurant specializes in what its head chef refers to as "Mid-Atlantic cuisine." He basically means fish, and lots of it.
Equinox Restaurant, 818 Connecticut Ave. NW, Washington, D.C.; +1 202 331 8118, Monday-Friday, 11:30 a.m.-2 p.m., Monday-Thursday 5:30-10 p.m., Friday-Saturday 5:30-10:30 p.m., Sunday 5:30-9:30 p.m.